Overstrike for a striking tool



FIG. 1 is a perspective view of my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right view thereof; and,

FIG. 5 is a left view thereof.

Broken lines in the drawings which directly surround the claimed subject matter depict portions of the overstrike that form no part of the claim. Other broken lines depicting a striking head and a shank with grip are directed to environment and also form no part of the claim. 

CLAIM The ornamental design for an overstrike for a striking tool, as shown and described. 